fixes #12624 - add plugin interface to add provision methods

Fixes #12554 - Change OS name column heading to match contents

It is necessary to change name for 'Name' column to 'Title' as
otherwise application flow can confuse user (especially when he or she
perform search procedure). Also, add more context to description field...

Fixes #12506 - Show smart proxies version in about page

Fixes #8799 - Show override button when removing overriden global param

Previously, when removing an override for an existing parameter the
override button was not displayed again until the page was reloaded.
Also saved call to `mark_params_override()` when overriding a single...

Fixes #7463 - Add basic support for bridges

fixes #12575 - zerombr does not take any argument

fixes #8295 - add vsphere memory and cpu hot add

Refs #11458 - adding missing </td> tag

Fixes #11458 - Override inline for class parameters

This implements override inline for smart class parameters and smart
variables in host and hostgroup edit forms.
Global variable override inline will be done in a seperate PR.

Authors:
Ori Rabin <orrabin@redhat.com>...

Fixes #12461 - Compute profile is properly selected.